#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================

domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
admin=$YNH_APP_ARG_ADMIN

app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..." --weight=2

final_path=/var/www/$app
test ! -e "$final_path" || ynh_die --message="This path already contains a folder"

# Register (book) web path
ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="Storing installation settings..."

ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=path --value=$path_url
ynh_app_setting_set --app=$app --key=admin --value=$admin

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=12

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=2

# Create a system user
ynh_system_user_create --username=$app --home_dir="$final_path"

#=================================================
# CREATE A MYSQL DATABASE
#=================================================
ynh_script_progression --message="Creating a MySQL database..."

db_name=$(ynh_sanitize_dbid --db_name=$app)
db_user=$db_name
ynh_app_setting_set --app=$app --key=db_name --value=$db_name
ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=6

ynh_app_setting_set --app=$app --key=final_path --value=$final_path
# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --weight=2

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring PHP-FPM..." --weight=2

# Create a dedicated PHP-FPM config
ynh_add_fpm_config --phpversion=$YNH_PHP_VERSION

#=================================================
# SPECIFIC SETUP
#=================================================
# CONFIGURE WALLABAG
#=================================================
ynh_script_progression --message="Configuring wallabag..." --weight=35

# Copy and set Wallabag dist configuration
wb_conf=$final_path/app/config/parameters.yml
cp $final_path/app/config/parameters.yml.dist $wb_conf

ynh_replace_string --match_string="fosuser_registration: true" --replace_string="fosuser_registration: false" --target_file=$wb_conf
ynh_replace_string --match_string="database_name: wallabag" --replace_string="database_name:  $db_name" --target_file=$wb_conf
ynh_replace_string --match_string="database_user: root" --replace_string="database_user: $db_user" --target_file=$wb_conf
ynh_replace_string --match_string="database_password: ~" --replace_string="database_password: $db_pwd" --target_file=$wb_conf
ynh_replace_string --match_string="database_table_prefix: wallabag_" --replace_string="database_table_prefix: null" --target_file=$wb_conf
# Generate random DES key & password
deskey=$(ynh_string_random --length=24)
ynh_app_setting_set --app=$app --key=deskey --value=$deskey
ynh_replace_string --match_string="secret: ovmpmAWXRCabNlMgzlzFXDYmCFfzGv" --replace_string="secret: $deskey" --target_file=$wb_conf
ynh_replace_string --match_string="domain_name: https://your-wallabag-url-instance.com" --replace_string="domain_name: https://$domain$path_url" --target_file=$wb_conf

# Alias for php-cli execution command
php_exec="ynh_exec_as $app php$YNH_PHP_VERSION "$final_path/bin/console" --no-interaction --env=prod"

# Set permissions to app files
chown -R $app: $final_path

# Install dependencies and Wallabag
$php_exec wallabag:install

# Add users to Wallabag
for username in $(ynh_user_list)
do
	user_email=$(ynh_user_get_info --username="$username" --key=mail)
	user_pass=$(ynh_string_random)
	$php_exec fos:user:create "$username" "$user_email" "$user_pass"
done

# Set admin user
$php_exec fos:user:promote --super "$admin"

# Configure Wallabag instance URL
ynh_mysql_connect_as --user=$db_user --password="$db_pwd" --database=$db_name <<< "UPDATE internal_setting SET value = 'https://$domain$path_url' WHERE name = 'wallabag_url'"

#=================================================
# SETUP HOOKS
#=================================================

ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="../hooks/post_user_create"
ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="../hooks/post_user_delete"

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

set_permissions

#=================================================
# SETUP LOGROTATE
#=================================================

ynh_script_progression --message="Configuring log rotation..."
# Use logrotate to manage application logfile(s)
touch "$final_path/var/logs/prod.log"
ynh_use_logrotate "$final_path/var/logs/prod.log"
chown $app:www-data "$final_path/var/logs/prod.log"

#=================================================
# SETUP FAIL2BAN
#=================================================
ynh_script_progression --message="Configuring Fail2Ban..."

# Create the log file is not already existing during install
mkdir -p "/var/www/$app/var/logs/"
touch "/var/www/$app/var/logs/prod.log"
chown $app: "/var/www/$app/var/logs/prod.log"

# Create a dedicated Fail2Ban config
ynh_add_fail2ban_config --logpath="/var/www/$app/var/logs/prod.log" --failregex='app.ERROR: Authentication failure for user "([\w]+)?", from IP "<HOST>"' --max_retry=5

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring permissions..."

ynh_permission_update --permission="main" --add="visitors"

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..."

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Installation of $app completed" --last
